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/*=========================================================================
Program: DICOM for VTK
Copyright (c) 2012-2024 David Gobbi
All rights reserved.
See Copyright.txt or http://dgobbi.github.io/bsd3.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkDICOMAlgorithm.h"
#include "vtkDICOMMetaData.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkInformationDataObjectKey.h"
#include "vtkInformationDoubleVectorKey.h"
#include "vtkImageData.h"
#include "vtkInformationVector.h"
#include "vtkInformation.h"
#include "vtkMatrix4x4.h"
#include "vtkAlgorithmOutput.h"
#include "vtkTrivialProducer.h"
#include "vtkSmartPointer.h"
#include "vtkVersion.h"
vtkStandardNewMacro(vtkDICOMAlgorithm);
vtkInformationKeyMacro(vtkDICOMAlgorithm, PATIENT_MATRIX, DoubleVector);
vtkInformationKeyMacro(vtkDICOMAlgorithm, META_DATA, DataObject);
//----------------------------------------------------------------------------
vtkDICOMAlgorithm::vtkDICOMAlgorithm()
{
}
//----------------------------------------------------------------------------
vtkDICOMAlgorithm::~vtkDICOMAlgorithm()
{
}
//----------------------------------------------------------------------------
void vtkDICOMAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
vtkInformation *vtkDICOMAlgorithm::GetMetaDataInformation(
vtkInformationVector** inputVector, int inputPort, int inputConnection)
{
vtkInformation *inInfo =
inputVector[inputPort]->GetInformationObject(inputConnection);
// If SetInputConnection was used, meta data is attached to inInfo
vtkInformation *metaInfo = inInfo;
// If SetInputData was used, the meta data is attached to the data
vtkAlgorithmOutput *sourceConnection = this->GetInputConnection(0, 0);
if (sourceConnection)
{
// SetInputData causes a vtkTrivialProducer to be used
vtkAlgorithm *producer = sourceConnection->GetProducer();
if (producer && vtkTrivialProducer::SafeDownCast(producer))
{
vtkDataObject *inputData = producer->GetOutputDataObject(0);
if (inputData)
{
metaInfo = inputData->GetInformation();
}
}
}
return metaInfo;
}
//----------------------------------------------------------------------------
void vtkDICOMAlgorithm::CopyMetaDataToOutputInformation(
vtkInformationVector** inputVector, int inputPort, int inputConnection,
vtkInformationVector* outputVector, int outputPort)
{
// If SetInputConnection was used, meta data is attached to inInfo
vtkInformation *metaInfo = this->GetMetaDataInformation(
inputVector, inputPort, inputConnection);
// Set the output port to copy the meta data to
int firstPort = outputPort;
int lastPort = outputPort;
if (outputPort < 0)
{
firstPort = 0;
lastPort = this->GetNumberOfOutputPorts() - 1;
}
// Copy the meta data downstream
for (int port = firstPort; port <= lastPort; port++)
{
vtkInformation *outInfo = outputVector->GetInformationObject(port);
// Matrix is stored as a vector of 16 doubles
outInfo->CopyEntry(metaInfo, PATIENT_MATRIX());
// MetaData object must be shallow-copied
vtkDICOMMetaData *meta = vtkDICOMMetaData::SafeDownCast(
metaInfo->Get(META_DATA()));
if (meta)
{
vtkSmartPointer<vtkDICOMMetaData> outMeta =
vtkSmartPointer<vtkDICOMMetaData>::New();
outMeta->ShallowCopy(meta);
outInfo->Set(META_DATA(), outMeta);
}
}
}
//----------------------------------------------------------------------------
void vtkDICOMAlgorithm::CopyMetaDataToOutputData(
vtkInformation *info, vtkDataObject *data)
{
vtkInformation *dataInfo = data->GetInformation();
dataInfo->CopyEntry(info, META_DATA());
dataInfo->CopyEntry(info, PATIENT_MATRIX());
}
//----------------------------------------------------------------------------
int vtkDICOMAlgorithm::RequestInformation(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
// Copy the meta data to the output information
if (this->GetNumberOfInputPorts() > 0 &&
this->GetNumberOfInputConnections(0) > 0)
{
this->CopyMetaDataToOutputInformation(
inputVector, 0, 0, outputVector, -1);
}
return this->Superclass::RequestInformation(
request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkDICOMAlgorithm::RequestData(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
// Copy the meta data downstream
int numPorts = this->GetNumberOfOutputPorts();
for (int port = 0; port < numPorts; port++)
{
vtkInformation *outInfo = outputVector->GetInformationObject(port);
vtkImageData *outData = vtkImageData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
if (outData)
{
this->CopyMetaDataToOutputData(outInfo, outData);
}
}
return this->Superclass::RequestData(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
void vtkDICOMAlgorithm::ThreadedRequestData(
vtkInformation *, vtkInformationVector **, vtkInformationVector *,
vtkImageData ***, vtkImageData **, int [6], int)
{
vtkWarningMacro("ThreadedRequestData: This method was not implemented in "
<< this->GetClassName());
}
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